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|Type:||Artigo de periódico|
|Title:||DARK BUILDUP OF HOLOGRAMS IN BATIO3 AFTER RECORDING|
|Abstract:||Holograms recorded under suitable conditions in photorefractive BaTiO3 exhibit an unusual dark build-up. The diffraction efficiency increases by some orders of magnitude after the recording beams are switched off, and then steadily decreases afterwards. An interpretation of this effect in terms of a two-center charge transport model is given.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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